why IMP if all about comms data ? (was Re: s

[Roland Perry]

In article <4FE0670F.5060901 at gmx.net>, "Caspar Bowden (travelling)" 
<tharg at gmx.net> writes
>Anyone any info on why it was called IMP originally

I thought it was about classic interception, but declined to attend the 
closed briefing sessions, so am not very much the wiser than any other 
reasonably alert outsider.
-- 
Roland Perry